inaccurate surge maps

Ok, so adter getting burned by Uber- I was in a surge area at the Verizon Center after a game, and someone at the end of the block at 6th and G requwsted me, I didn't get the udrge. They saod it was because 6th and G wasn't the surge- it was 7th and G. *rolleyes* Someone said there's a surge...